Dennis M. Duffy

Senior Lecturing Fellow


Mr. Duffy currently serves as Senior Litigation Counsel in the Criminal Division of the United States Attorney’s Office in Raleigh. In addition to being the lead prosecutor in numerous criminal investigations, Mr. Duffy’s responsibilities include training each incoming criminal AUSA, resolving certain ethical issues pertaining to discovery questions, and lecturing at the Department of Justice-National Advocacy Center in Columbia South Carolina. Prior to becoming a criminal prosecutor, Mr. Duffy served as a civil trial attorney in the DOJ Tax Division (1991-98) and as an associate in the commercial finance section of Hastie and Kirschner in Oklahoma City, Oklahoma (1988-91), where he also served as a Certified State Agriculture Mediator. Mr. Duffy is the recipient of the 1996 DOJ Tax Division Outstanding Attorney award and the 2004 DOJ Executive Director’s Award for Superior Performance as an AUSA.

As a criminal prosecutor, Mr. Duffy is responsible for the investigation of a wide variety of federal crimes, including public corruption, racketeering, tax fraud, complex white collar, money laundering, and violent crimes. Mr. Duffy’s past cases have included the prosecution of NC State Agriculture Commissioner Meg Scott Phipps, United States Representative Frank Ballance, Speaker of the NC House of Representatives Jim Black, NC State Senator Mike Decker, a number of corrupt NC Department of Transportation employees, and NC Lottery Commissioner Kevin Geddings. He is also responsible for representing the United States during court hearings and at jury trials, preparation of Fourth Circuit appellate briefs and, if necessary, presenting oral arguments before the Fourth Circuit. As Senior Litigation Counsel, responsibilities include assisting AUSAs prepare for oral argument before the Fourth Circuit, training prosecutors regarding all aspects of criminal practice, including prosecutorial ethics. As DOJ Giglio officer, Mr. Duffy is responsible for providing guidance to AUSAs faced with ethical issues in order to comply with DOJ policies, applicable caselaw, and state bar requirements.

Mr. Duffy is a cum laude graduate of Boston College Law School, where he was also executive editor of International and Comparative Law Review.